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REZOLVATII in N INECUATIILE  X:10>12, 543   ;X:7<8,39  ;X:9,2<7,35



Răspuns :

x/10>12,543             x>125,43

x/7<8,39    x<8,39*7                    x<58,73

x/9,2<7,35             x<7,35*9,2            x<67,62